X-Git-Url: https://www.fi.muni.cz/~kas/git//home/kas/public_html/git/?p=heater.git;a=blobdiff_plain;f=case.scad;h=e4acfcb8313a0df44c1b116dc14586a280b7a10e;hp=b1e5a3f61ddab292b1731be9170bda8aed93defe;hb=753e16cdf41f6465666f5b34be61878b87ad1d9f;hpb=4d5bdd751ca8e7693806c4fb9012829060d7c18c

diff --git a/case.scad b/case.scad
index b1e5a3f..e4acfcb 100644
--- a/case.scad
+++ b/case.scad
@@ -1,15 +1,20 @@
-lowres = 0;
+/* TODO
+   - nabeh zaklapavaciho hranolu by mel byt zkoseny
+   - vystup pro kabel leze do vystupu pro snuru pri vetsim wall
+   - diry pro uchyceni jsou mozna prilis male
+*/
+lowres = 1; // fast rendering or fine printing with print-friendly orientation
 
 eps = 0.01;
 infty = 300;
 
-wall = 1.5; // generic wall thickness
+wall = 2.0; // generic wall thickness
 
 // 18650 is ~18mm diameter, ~65mm length, 
 batt_diam = 18 + 0.6;
 batt_len = 65 + 1.5;
 
-cable_sep = 1;
+cable_sep = 2;
 
 // front flat area
 front_flat_len = batt_len + 4*wall + 2*cable_sep;
@@ -30,7 +35,7 @@ cable_out_diam = 5.2;
 
 batt_end_h = wire_sep/2 + wire_thick/2 + 1.5;;
 
-lid_sep = 0.5; // the lid is made this much smaller to separate from the body
+lid_sep = 0.1; // the lid is made this much smaller to separate from the body
 
 sw_diam = 2.5 + 0.5;
 led_diam = 3 + 0.5;
@@ -40,6 +45,9 @@ pcb_xoff = 90 * 25.4/1000; // offset of the LED from the middle of the PCB
 prg_len = 10; // programming connector
 prg_width = 7;
 
+rear_clip_hole_dist = 10; // distance between the holes in the rear clip
+rear_clip_aspect = 0.35; // w/h aspect ratio of the ellipse of the rear clip
+
 module case_body() {
 	hull() {
 		translate([-batt_len/2-2*wall-cable_sep, -batt_diam/2-wall, 0])
@@ -57,6 +65,12 @@ module case_body() {
 			-batt_diam/2-2*pcb_comp_h-pcb_thick-wall])
 			cube([front_flat_len, pcb_width+wall, eps]);
 	};
+	for (x = [-1, 1]) scale([x, 1, 1]) hull() {
+		for (x0 = [0-wall, 10+wall])
+			translate([batt_len/2-wall-wire_thick-x0, batt_diam/2, 0])
+				rotate([-90, 0, 0]) scale([rear_clip_aspect, 1, 1])
+				cylinder(r=batt_diam/2 + 2*wall + wire_thick, h=wall);
+		};
 };
 
 module case() {
@@ -148,15 +162,15 @@ module case() {
 			translate([0, batt_diam/2 - pcb_width,
 				-batt_diam/2-pcb_comp_h-pcb_thick])
 				cube([wall + cable_sep + eps, pcb_width, eps]);
-			translate([cable_sep, batt_diam/2 - pcb_width + 1.5*wall,
+			translate([cable_sep, batt_diam/2 - pcb_width + wall,
 				-batt_diam/2-pcb_comp_h-pcb_thick-wall])
 				cube([wall + eps, pcb_width-2*wall, eps]);
 		};
 		// cable lead to battery contacts
 		for (x=[1, -1]) scale([x, 1, 1])
 			rotate([-140, 0, 0])
-			translate([batt_len/2+wire_thick/2, 0, batt_diam/2-2*wall])
-				cylinder(r=wire_thick/2, h = 5);
+			translate([batt_len/2+wire_thick/2, 0, batt_diam/2-2.7])
+				cylinder(r=wire_thick/2, h = 5.4);
 		
 		// mounting holes
 		for(x=[-1,1]) scale([x, 1, 1])
@@ -164,13 +178,13 @@ module case() {
 			vert_torus();
 			
 		for (x = [-1, 1]) scale([x, 1, 1]) for (x0 = [0, 10])
-			translate([batt_len/2-wall-wire_thick-x0, 0, batt_end_h-wire_thick/2])
+			translate([batt_len/2-wall-wire_thick-x0, 0, batt_diam/2+wire_thick/2+wall])
 			rotate([-90, 0, 0])
 			scale([2,1,1]) cylinder (r=wire_thick/2, h=infty, $fn=16);
 	};
 	// clip barrier
 	for (x = [-1, 1]) scale([x, 1, 1])
-		translate([batt_len/2+wall-eps, batt_diam/2-pcb_width+wall+lid_sep,
+		translate([batt_len/2+wall-eps, batt_diam/2-pcb_width+wall/2+lid_sep,
 			-batt_diam/2-pcb_thick-pcb_comp_h + wall + lid_sep])
 			cube([cable_sep+eps, pcb_width-2*wall-2*lid_sep, wall]);
 };
@@ -195,6 +209,12 @@ module lid_body() {
 			translate([cable_sep+wall/2, batt_diam/2 - pcb_width + 1.5*wall +lid_sep,
 				batt_diam/2+pcb_comp_h+pcb_thick+wall/2-lid_sep])
 				cube([wall/2-lid_sep, pcb_width-2*wall-2*lid_sep, eps]);
+			// rear cone
+			translate([cable_sep+wall-lid_sep, 0, -batt_diam/2-wall]) difference() {
+				scale([0.5, 1, 1])
+				cylinder(r = batt_diam/2 - lid_sep,  h = eps);
+				translate([-infty, -infty/2, -infty/2]) cube(infty);
+			};
 		};
 };
 
@@ -213,6 +233,13 @@ module lid() {
 			translate([-batt_len/2-cable_sep-wall, batt_diam/2-pcb_width+0.5*wall+0.5*lid_sep, batt_diam/2 + pcb_comp_h+pcb_thick-wall-lid_sep])
 			cube([batt_len + 2*wall + 2* cable_sep, pcb_width-1.5*wall-1.5*lid_sep, eps]);
 		};
+		// holes for the mounting clips on the body
+		for (x = [-1, 1]) scale([x, 1, 1]) hull() {
+		for (x0 = [0-wall, 10+wall])
+			translate([batt_len/2-wall-wire_thick-x0, batt_diam/2-lid_sep+eps, 0])
+				rotate([-90, 0, 0]) scale([rear_clip_aspect, 1, 1])
+				cylinder(r=batt_diam/2 + 2*wall + wire_thick+lid_sep/rear_clip_aspect, h=wall+lid_sep+eps);
+		};
 	};
 };